Atomic structure
There is only one chemically distinct structure:
CC(=O)N[C@@H]1[C@@H](OP(=O)(O)OC[C@H]2O[C@H](O)[C@@H](NC(C)=O)[C@@H](O)[C@@H]2O)O[C@H](CO)[C@@H](O)[C@@H]1O